Home / 13,972.52-20,964.70-6,576.81

Finding the Fourth Proportional to 13,972.52, 20,964.70 and 6,576.81

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Solution

The fourth proportional to 13,972.52, 20,964.70 and 6,576.81 is: 9,868.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.52 : 20,964.70 = 6,576.81 : x
  2. Step 2: Convert to fraction form
    13,972.52/20,964.70 = 6,576.81/x
  3. Step 3: Cross multiply
    13,972.52x = 20,964.70 × 6,576.81
  4. Step 4: Simplify right side
    13,972.52x = 137,880,848.61
  5. Step 5: Solve for x
    x = 137,880,848.61/13,972.52
  6. Step 6: Final answer
    x = 9,868.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.